diff --git a/requirements.txt b/requirements.txt
index 6cac183..5b503ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cycler==0.10.0
 kiwisolver==1.1.0
 matplotlib==3.1.0
 numpy==1.16.3
-Pillow==6.0.0
+Pillow==9.0.1
 pyparsing==2.4.0
 python-dateutil==2.8.0
 six==1.12.0